A new sustainability certification system for products has just been unveiled by Cradle to Cradle guru William McDonough and endorsed by California Governor Arnold Schwarzenegger. Is it the change we've been looking for?

The Mexico City-based firm Taller de Operaciones Ambientales worked with Portland-based Brightworks to create a new model for designing ecodistricts, with mushrooms, spores, and saguaro cacti as their guides.